Siemens 6SL3120-2TE13-0AA3 3A/3A Booksize Double Motor Drive Module

The Siemens 6SL3120-2TE13-0AA3 is a booksize motor module from the SINAMICS S120 drive family, specifically engineered as a double motor module to control two independent motors from a single, compact unit. This module takes a 600V DC input from a common DC bus and inverts it to provide three-phase AC output (400V, 3A per axis). Its primary design goal is to maximize cabinet space utilization in multi-axis applications, offering a compelling alternative to using two separate single-axis modules. With integrated safety functions and DRIVE-CLiQ connectivity, it delivers a sophisticated, space-conscious solution for automated systems requiring coordinated motion control.

1. Product Overview & System Integration

This double motor module is a key power component in the SINAMICS S120 drive system. It operates on a "common DC bus" principle, where a central power supply module (like a Basic, Smart, or Active Line Module) provides the 600V DC, and multiple motor modules (including this one) draw from this bus to drive individual motors. This architecture is highly efficient for machines with several axes.

The module itself functions as a powerful inverter but relies on a separate Siemens Control Unit (e.g., CU320-2) for intelligence. The Control Unit executes motion control tasks and communicates with the motor module via the integrated DRIVE-CLiQ interface, enabling automatic configuration, precise control, and comprehensive diagnostics.

Critical Note: The 6SL3120-2TE13-0AA3 has reached its end of production. Siemens designates 6SL3120-2TE13-0AA4 as its direct successor, and this replacement should be specified for all new projects.

2. Detailed Technical Specifications

The table below outlines the core technical parameters of the 6SL3120-2TE13-0AA3 module:

Parameter

Specification

Article Number    6SL3120-2TE13-0AA3    

Product Type    SINAMICS S120 Double Motor Module    

Design    Booksize, Internal air cooling    

Input Voltage    600 V DC    

Output Voltage    3 AC 400 V    

Rated Output Current    3 A / 3 A (per axis)    

Module Status    Product discontinued; successor is 6SL3120-2TE13-0AA4    

Communication    DRIVE-CLiQ    

Safety Functions    Support for extended Safety Integrated functions    

Pulse Pattern    Optimized    

3. Core Features & Design Advantages

The 6SL3120-2TE13-0AA3 integrates features that make it a robust, intelligent choice for drive applications:

Dual-Axis Control in One Unit: Its ability to control two motors independently is its standout feature. This design cuts the required mounting space and hardware by ~50% compared to two single-axis modules, enabling more compact, cost-effective control cabinets.

Booksize Form Factor for High-Density Mounting: The standardized booksize design allows side-by-side mounting of multiple units on a single rail. This creates a clean, modular, and scalable cabinet layout, optimizing valuable panel space.

Integrated Safety & Diagnostics: It supports Siemens’ "Safety Integrated" functions (e.g., Safe Torque Off/STO), contributing to the machine’s overall safety system. The DRIVE-CLiQ interface provides real-time access to operational data and fault codes, enabling predictive maintenance and rapid troubleshooting.

Optimized Pulse Pattern & Internal Cooling: The optimized pulse pattern ensures smoother motor operation and lower switching losses. Its internal air-cooling system efficiently manages heat within the compact booksize assembly, eliminating the need for external cooling components.

4. Performance & Application Benefits

The module’s technical design translates to direct value for machine builders and end-users:

Maximized Cabinet Space & Reduced Complexity: Integrating two axes into one module increases the number of axes per cabinet size. It reduces component count, simplifies wiring, and lowers overall system cost and complexity.

High Dynamic Performance per Axis: Despite sharing a housing, the two inverter stages operate independently, delivering high dynamic performance for both axes simultaneously. This makes it ideal for applications requiring coordinated, rapid motion (e.g., gantry systems, multi-function heads).

Streamlined Commissioning & Maintenance: DRIVE-CLiQ enables the Control Unit to automatically recognize the module, cutting commissioning time. Centralized diagnostics and parameter management via the Control Unit also simplify ongoing maintenance.

5. Expanded Perspective: Selecting & Applying Double Motor Modules

Understanding when and why to use a double motor module is critical for optimal system design.

5.1 Ideal Application Scenarios

This module excels in:

Multi-Axis Machinery: Packaging machines, printing presses, textile equipment, and material handling systems (where multiple conveyors/actuators need control, especially with even axis counts).

Space-Constrained Applications: Compact machines or retrofits for crowded existing cabinets, where space savings are a priority.

Cost-Sensitive Multi-Axis Projects: When both axes fall within the 3A per-axis limit, a single double module is more economical than two single-axis units.

5.2 Single vs. Double Motor Module Comparison

The choice between single and double modules is a foundational design decision:

Aspect

Single Motor Module (e.g., 6SL3120-1TE13-0AA3)

Double Motor Module (This Model)

Flexibility    High—each axis is independent; suitable for dispersed axes or mixed power needs    Moderate—best for co-located axes with similar power requirements    

Space Efficiency    Lower—requires more space for multiple axes    Higher—cuts space by ~50% for two axes    

Cost    Higher for two axes (two separate units)    Lower for two axes (one integrated unit)    

Inventory    Requires stocking single-axis units    Simplifies inventory (one unit for two axes)    

Selection Insight: Use the double motor module for maximizing density and cost savings in multi-axis systems with similar axis power. Choose single modules for flexibility, dispersed axes, or mixed power needs.

5.3 Critical Implementation Considerations

Successful integration requires attention to:

Control Unit Compatibility: A compatible Siemens Control Unit (e.g., CU320-2) is mandatory. The entire system is configured via Siemens’ SINAMICS Startdrive software within the TIA Portal.

Upstream Component Sizing: The Line Module (BLM/SLM/ALM) supplying the DC bus must be sized to handle the combined peak current of all connected motor modules.

Cooling & Clearances: Follow Siemens’ installation guidelines for minimum clearances around the module. Ensure the cabinet’s thermal management system can dissipate heat from all components.

6. Frequently Asked Questions (FAQs)

1. What’s the key advantage of a double motor module over two single modules?

The primary benefit is space savings—it combines two axes into one unit, reducing cabinet space by ~50%. This also cuts hardware costs and simplifies wiring.

2. Can the two channels control different motor types?

Yes. The two inverter channels can be independently configured for different motor types (e.g., induction vs. synchronous servo motors), as long as each motor’s current demand stays within the 3A per-axis limit. Motor parameters are set in the central Control Unit.

3. Is this module still available?

This model is in stock at Beijing Zhongping Technology. Beijing Zhongping is an authorized Siemens distributor. Please contact us if you need any.

4. How does DRIVE-CLiQ improve diagnostics?

DRIVE-CLiQ enables automatic module identification and real-time monitoring of critical data (output current, temperature, status). This centralized visibility simplifies troubleshooting and supports condition-based maintenance.

5. What safety features does it support?

It supports Siemens’ extended Safety Integrated functions, with Safe Torque Off (STO) being the most common. STO safely prevents the module from sending torque-producing power to the motor, a key requirement for machine safety.